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viewer: bundle JS deps locally — removes all CDN dependencies

Browse source 
Replace importmap pointing at esm.sh/unpkg with locally-bundled files
built from pinned npm packages (package.json + lockfile). Run
`cd forgejo && npm install && npm run build` to regenerate after a
version bump. Tracked in ifcurl-dkz: fast-xml-parser CVEs in
@thatopen/components 3.3.1 should be addressed in a follow-up upgrade.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Bruno Postle 2026-04-25 18:24:50 +01:00
parent fe793d2194
commit 4ef7987ad1
12 changed files with 5472 additions and 24 deletions
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5
.beads/issues.jsonl
View file

@ -2,6 +2,7 @@
{"id":"ifcurl-p60","title":"Viewer: no element click-to-identify — can't get GlobalId or properties","description":"There is no way to click on a mesh in the viewer and see which IFC element it represents. Reviewers can see geometry but cannot reference specific elements — they can't discover a GlobalId to put in a selector URL, can't see the element name/type/Psets, and can't say 'this specific wall' in a BCF or Forgejo comment. This breaks the collaboration workflow at its foundation: every useful feedback comment needs to identify specific elements. Need: click or hover on a surface to highlight it and show a properties panel (name, type, GlobalId, key Psets). The GlobalId should be copyable into the selector field or URL. The ThatOpen components library provides the tools for this (OBC.IfcRelationsIndexer, element property queries).","status":"closed","priority":1,"issue_type":"feature","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T11:02:33Z","created_by":"Bruno Postle","updated_at":"2026-04-24T11:47:23Z","started_at":"2026-04-24T11:14:57Z","closed_at":"2026-04-24T11:47:23Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-4l7","title":"viewer.html: scale= URLs don't load in orthographic mode","description":"applyCameraParam() reads the camera= and fov= parameters from the URL and applies them, but never reads scale= or switches the camera to orthographic (parallel) projection. URLs like ?camera=...\u0026scale=50 will load in perspective mode instead of orthographic. The OBC OrthoPerspectiveCamera can switch modes, but the code path to set parallel projection and apply the scale value is missing from applyCameraParam.","status":"closed","priority":1,"issue_type":"bug","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T09:04:51Z","created_by":"Bruno Postle","updated_at":"2026-04-24T10:56:29Z","started_at":"2026-04-24T10:50:19Z","closed_at":"2026-04-24T10:56:29Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-362","title":"Add missing server-config files: gitconfig-ifcmerge and gitattributes","description":"forgejo/README.md documents deploying two files that don't exist in the repo: forgejo/server-config/gitconfig-ifcmerge and forgejo/server-config/gitattributes. Both are required for the ifcmerge git merge driver to work in bare Forgejo repos. The README even includes 'sudo cp forgejo/server-config/gitattributes /etc/gitattributes' and 'sudo git config --system include.path .../gitconfig-ifcmerge', but the files themselves are absent. Anyone following the deployment instructions will hit a 'file not found' error. Need to create both files with the content described in the README.","status":"closed","priority":1,"issue_type":"bug","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T09:04:31Z","created_by":"Bruno Postle","updated_at":"2026-04-24T10:51:47Z","started_at":"2026-04-24T10:50:15Z","closed_at":"2026-04-24T10:51:47Z","close_reason":"Files already exist: forgejo/server-config/gitconfig-ifcmerge and gitattributes are both present and correct. Missed in initial review.","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-dkz","title":"Viewer bundle: upgrade @thatopen/components 3.3.1 → 3.4.2 to fix fast-xml-parser CVEs","description":"npm audit reports 2 critical CVEs in fast-xml-parser (a transitive dep of @thatopen/components 3.3.1). These are DoS/injection issues in XML parsing. Risk in the viewer context is low (client-side, user's own files) but should be addressed. Fix: bump @thatopen/components to 3.4.2 in forgejo/package.json, run npm install \u0026\u0026 npm run build, and commit the regenerated bundle.","status":"open","priority":2,"issue_type":"task","owner":"bruno@postle.net","created_at":"2026-04-25T17:12:37Z","created_by":"Bruno Postle","updated_at":"2026-04-25T17:12:37Z","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-bue","title":"Split service into ifcurl-api and ifcurl-render for RCE isolation","description":"The ifcopenshell C++ bindings are the main RCE attack surface (memory corruption on malformed IFC). The git/token code is not at risk but currently shares the same process and systemd security profile.\n\nSplit the service into two systemd units with different security profiles:\n\nifcurl-api (renamed from ifcurl-preview): handles HTTP, git fetch, caching, auth token lookup. Needs execve (git CLI via GitPython) and AF_INET/AF_INET6. No ifcopenshell.\n\nifcurl-render: handles IFC parsing and PNG rendering only. Listens on Unix socket /run/ifcurl-render/render.sock. Has SystemCallFilter ~execve ~execveat (confirmed safe: strace shows pyvista and ifcopenshell geom iterator use fork/clone only, never exec). Has RestrictAddressFamilies=AF_UNIX only. No access to /etc/ifcurl tokens. Runs as separate user ifcurl-render.\n\nCommunication: API service calls render service via httpx over the Unix socket. Both service users belong to a shared ifcurl group for socket access.\n\nInterface (three endpoints on render service):\n POST /render multipart(ifc, params JSON) → JSON {png: base64, guids: list|null}\n POST /select multipart(ifc, params JSON) → JSON {guids: list}\n POST /render_diff multipart(head_ifc, base_ifc, params JSON) → image/png binary\n\nsandbox.py crash isolation is kept inside the render service for per-request segfault containment.\n\nBackward compat: if IFCURL_RENDER_SOCKET is unset, API service falls back to direct in-process rendering (current sandbox.py path).\n\nImplementation steps:\n1. ifcurl/render_service.py — FastAPI app with the three endpoints wrapping sandboxed functions\n2. ifcurl/service.py — delegate to render service when IFCURL_RENDER_SOCKET is set\n3. ifcurl/__main__.py — add 'render-service' CLI subcommand\n4. pyproject.toml — add httpx to service optional deps\n5. forgejo/server-config/ifcurl-api.service (rename + update)\n6. forgejo/server-config/ifcurl-render.service (new, hardened unit)\n7. forgejo/README.md — update deployment docs for two-service setup\n8. tests/test_render_service.py — integration tests for the render service endpoints","acceptance_criteria":"render service cannot exec /bin/sh even with RCE (verified by strace showing no execve during normal render); normal renders still produce correct PNG; API service correctly delegates to render service when socket is configured; fallback to in-process rendering works when socket is unset","status":"closed","priority":2,"issue_type":"feature","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-25T08:32:27Z","created_by":"Bruno Postle","updated_at":"2026-04-25T08:57:22Z","started_at":"2026-04-25T08:32:57Z","closed_at":"2026-04-25T08:57:22Z","close_reason":"Two-service split implemented: render_service.py with /render /select /render_diff endpoints, service.py delegates via httpx when IFCURL_RENDER_SOCKET is set, render-service CLI subcommand added, two systemd units created","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-ndf","title":"gitconfig-ifcmerge: update to use ifcmerge --prioritise-local instead of swapping LOCAL/REMOTE","description":"The current gitconfig-ifcmerge uses the old technique of swapping the order of %A and %B arguments to preserve the base branch's STEP ID space:\n\n driver = ifcmerge %O %A %B %L (standard)\n driver = ifcmerge %O %B %A %L (ours variant)\n\nBonsai's current ifcgit code (tool/ifcgit.py, config_ifcmerge) uses the newer --prioritise-local flag instead:\n\n ifcmerge --prioritise-local $BASE $LOCAL $REMOTE $MERGED\n\nThe --prioritise-local flag tells ifcmerge to preserve LOCAL's STEP ID space without needing to swap argument order. This is cleaner, more readable, and follows the canonical ifcmerge interface.\n\nThe gitconfig-ifcmerge needs updating to:\n driver = ifcmerge --prioritise-local %O %A %B %A\n\n(where %A is both LOCAL and the output file — git merge drivers write their result to %A)\n\nThe ifcmerge_ours variant (for rebase direction where base branch arrives as %B) would become:\n driver = ifcmerge --prioritise-local %O %B %A %B\n\nVerify that the --prioritise-local flag exists in the version of ifcmerge being used before merging.","status":"closed","priority":2,"issue_type":"task","owner":"bruno@postle.net","created_at":"2026-04-25T06:06:59Z","created_by":"Bruno Postle","updated_at":"2026-04-25T06:41:59Z","closed_at":"2026-04-25T06:41:59Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-qjd","title":"render_diff: auto-fit camera to changed elements, not whole model","description":"When rendering a diff of a large building model, the auto-fit camera fits to the entire head model. A wall added to one corner of a multi-storey building would appear as a tiny green speck. The camera should instead zoom to the bounding box of just the added + modified + removed elements so the changed area fills the viewport.\n\nImplementation sketch:\n- In render_diff(), after adding all shapes to plotter1, call plotter1.reset_camera() as now, but also compute the bounds of only the diff-coloured meshes (added + modified) and re-fit to those bounds.\n- For pass 2 (removed elements), the elements are already isolated in the iterator, so reset_camera() naturally fits to them. The pass 1 camera capture then needs to consider that pass 2 might be out of that frustum.\n- A combined approach: compute the bounding box union of added + modified + removed element meshes, then set the camera to fit that box with a small margin. This is the camera used for both passes.\n- pyvista Plotter has plotter.reset_camera(bounds=(xmin,xmax,ymin,ymax,zmin,zmax)) which can fit to an explicit box.\n- The bounds can be accumulated during the _add_shape loop for diff-coloured elements.\n\nAcceptance: a single modified wall in a large building renders with the wall clearly visible and filling most of the image.","status":"closed","priority":2,"issue_type":"bug","owner":"bruno@postle.net","created_at":"2026-04-25T06:06:39Z","created_by":"Bruno Postle","updated_at":"2026-04-25T06:57:06Z","closed_at":"2026-04-25T06:57:06Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
@ -48,10 +49,10 @@
{"id":"ifcurl-ov6","title":"Viewer selector only supports type names — property filters require server round-trip","description":"The viewer's applySelector() only supports IFC type names and their unions ('IfcWall+IfcSlab'). Full IfcOpenShell selector syntax — filter by property value (Pset_WallCommon.FireRating=2HR), by GlobalId, by name (.Name='Core Wall'), by spatial containment — is not supported. For collaboration, reviewers need to select specific elements ('all walls with fire rating 2HR that aren't compliant') not just all walls. The service's /preview endpoint already handles full selector syntax server-side. The viewer should forward complex selectors to the service and use the rendered image, or fetch the matching GlobalIds from a new /resolve-selector service endpoint and apply them in the viewer.","status":"open","priority":3,"issue_type":"feature","owner":"bruno@postle.net","created_at":"2026-04-24T11:04:38Z","created_by":"Bruno Postle","updated_at":"2026-04-24T11:04:38Z","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-f3p","title":"footer.tmpl: 'View in 3D' button absent from file history (git log) page","description":"The 'View in 3D' button is injected on the file view page (showing one commit of a file). It is not shown on the file history page (the list of commits that touched a file), which is where users naturally go to see how a model evolved over time. Each entry in the history list already has a commit hash in its href. Injecting a 'View in 3D' link or button alongside each history entry would let reviewers quickly compare model states across commits — which is a primary collaboration use case.","status":"closed","priority":3,"issue_type":"feature","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T11:04:23Z","created_by":"Bruno Postle","updated_at":"2026-04-24T14:04:56Z","started_at":"2026-04-24T13:21:51Z","closed_at":"2026-04-24T14:04:56Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-4rj","title":"Viewer: no branch/ref switcher — can't navigate model history or compare versions","description":"The viewer loads a single ifc:// URL and has no UI to switch to a different ref. A reviewer wanting to see 'what did this look like on main before the PR' or 'show me the v1.2 tag' must manually edit the URL. For a collaboration tool, being able to flip between 'current PR branch' and 'base branch' at the same camera view is essential for review. Consider a ref dropdown or input in the toolbar that reconstructs the URL with a different @ref, preserving camera/clip/selector state. The structured fields already expose repo/ref/path — the ref field is editable but not prominently labelled as a version picker.","status":"open","priority":3,"issue_type":"feature","owner":"bruno@postle.net","created_at":"2026-04-24T11:04:20Z","created_by":"Bruno Postle","updated_at":"2026-04-24T11:04:20Z","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-np8","title":"Viewer depends on CDN (unpkg, esm.sh) — broken in air-gapped or restricted networks","description":"viewer.html loads all JavaScript from public CDNs: three.js from esm.sh, @thatopen/components and fragments from esm.sh/unpkg, web-ifc WASM from unpkg, the fragment worker from unpkg, JSZip from esm.sh. In corporate BIM environments with restricted internet (common in construction/engineering), the viewer will fail to load entirely. There is no documented self-hosted path. Consider: document how to serve the dependencies from the Forgejo instance's own /assets/ directory, or provide a bundled viewer.html as a build artifact. The viewer worker fetch ('https://unpkg.com/@thatopen/fragments@3.3.1/dist/Worker/worker.mjs') is already fetched at runtime with a special workaround for Firefox — this is the most fragile CDN dependency.","status":"open","priority":3,"issue_type":"task","owner":"bruno@postle.net","created_at":"2026-04-24T11:04:04Z","created_by":"Bruno Postle","updated_at":"2026-04-24T11:04:04Z","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-np8","title":"Viewer depends on CDN (unpkg, esm.sh) — broken in air-gapped or restricted networks","description":"viewer.html loads all JavaScript from public CDNs: three.js from esm.sh, @thatopen/components and fragments from esm.sh/unpkg, web-ifc WASM from unpkg, the fragment worker from unpkg, JSZip from esm.sh. In corporate BIM environments with restricted internet (common in construction/engineering), the viewer will fail to load entirely. There is no documented self-hosted path. Consider: document how to serve the dependencies from the Forgejo instance's own /assets/ directory, or provide a bundled viewer.html as a build artifact. The viewer worker fetch ('https://unpkg.com/@thatopen/fragments@3.3.1/dist/Worker/worker.mjs') is already fetched at runtime with a special workaround for Firefox — this is the most fragile CDN dependency.","status":"in_progress","priority":3,"issue_type":"task","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T11:04:04Z","created_by":"Bruno Postle","updated_at":"2026-04-25T12:09:35Z","started_at":"2026-04-25T12:09:35Z","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-sa0","title":"Viewer: no load progress — large IFC files appear to hang","description":"The viewer status shows 'Fetching IFC file…' and 'Parsing IFC…' as plain text but gives no indication of how far along the download or parse is. IFC files in real projects are often 20–200MB. The fetch() call and the web-ifc WASM parser both block for seconds with no visual feedback. A progress bar or percentage indicator during fetch (using response.body ReadableStream + Content-Length header) and a spinner during parse would prevent users abandoning the page thinking it crashed. The status element exists and is already used — it just needs richer updates.","status":"closed","priority":3,"issue_type":"task","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T11:03:58Z","created_by":"Bruno Postle","updated_at":"2026-04-24T11:47:23Z","started_at":"2026-04-24T11:14:56Z","closed_at":"2026-04-24T11:47:23Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-4xl","title":"viewer.html: selector support is a subset of IfcOpenShell syntax — not documented","description":"applySelector() in the viewer only handles type-name union syntax ('IfcWall+IfcSlab'). The comment says 'Attribute/property filters not yet supported', but this limitation is not visible to users and not documented in README.md or SPECIFICATION.md. A user pasting a URL with 'selector=IfcWall,+Pset_WallCommon.FireRating=2HR' will see all elements rather than the filtered set, with no error. Should add a user-visible note or at minimum document the viewer's selector limitations.","status":"closed","priority":3,"issue_type":"task","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T10:41:49Z","created_by":"Bruno Postle","updated_at":"2026-04-24T14:04:57Z","started_at":"2026-04-24T13:22:10Z","closed_at":"2026-04-24T14:04:57Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-fu5","title":"service.py: no rate limiting or request size cap on /preview and /bcf","description":"The preview and BCF endpoints have no rate limiting, no cap on IFC file size fetched, and no timeout on the render operation. A single large IFC file or a flood of requests can saturate memory and CPU. Consider: max IFC blob size (reject fetch if commit object too large), render timeout via threading.Timer, and a simple in-process rate limiter or documentation that a reverse proxy (nginx) should front the service with rate limits.","status":"in_progress","priority":3,"issue_type":"task","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T10:41:45Z","created_by":"Bruno Postle","updated_at":"2026-04-25T11:56:48Z","started_at":"2026-04-25T11:56:48Z","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-fu5","title":"service.py: no rate limiting or request size cap on /preview and /bcf","description":"The preview and BCF endpoints have no rate limiting, no cap on IFC file size fetched, and no timeout on the render operation. A single large IFC file or a flood of requests can saturate memory and CPU. Consider: max IFC blob size (reject fetch if commit object too large), render timeout via threading.Timer, and a simple in-process rate limiter or documentation that a reverse proxy (nginx) should front the service with rate limits.","status":"closed","priority":3,"issue_type":"task","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T10:41:45Z","created_by":"Bruno Postle","updated_at":"2026-04-25T12:02:07Z","started_at":"2026-04-25T11:56:48Z","closed_at":"2026-04-25T12:02:07Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-d58","title":"ifc_url_test.go: no test for bare URL with path containing @ character","description":"The Go transformer reassembles multi-sibling text nodes for bare ifc:// URLs. There is a test for underscores in the path (which goldmark splits on), but no test for paths or query values containing '@', which is a valid character in query strings and could appear in selector expressions. Also missing: test for a bare URL followed immediately by punctuation like a period or closing parenthesis to verify the terminator logic.","status":"closed","priority":3,"issue_type":"task","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T10:41:32Z","created_by":"Bruno Postle","updated_at":"2026-04-24T14:04:56Z","started_at":"2026-04-24T13:22:09Z","closed_at":"2026-04-24T14:04:56Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-7mg","title":"auth.py: token appears in git process arguments, visible in process list","description":"inject_token() embeds the authentication token into the HTTPS remote URL as 'https://\u003ctoken\u003e@host/path'. This URL is passed directly to git clone/fetch as a command-line argument, which means the token is visible in the process list (ps aux) while the git command runs. On a shared server this is a security leak. The standard mitigation is to use GIT_ASKPASS or a credential helper that supplies the token via stdin/environment rather than via the URL. Should be documented as a known limitation at minimum.","status":"closed","priority":3,"issue_type":"bug","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T10:41:29Z","created_by":"Bruno Postle","updated_at":"2026-04-24T15:52:13Z","started_at":"2026-04-24T14:47:34Z","closed_at":"2026-04-24T15:52:13Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}
{"id":"ifcurl-z4f","title":"render.py: concurrent requests each spawn full CPU-count process pools","description":"render() calls ifcopenshell.geom.iterator(settings, model, multiprocessing.cpu_count(), ...). In a multi-request service scenario, N concurrent renders each spawn cpu_count worker processes, so a 16-core machine handling 4 simultaneous requests spawns 64 processes. This can saturate the machine and is effectively a DoS amplifier. Consider capping the worker count (e.g. max 2 or 4 per request), or using a shared process pool at the service level.","status":"closed","priority":3,"issue_type":"bug","assignee":"Bruno Postle","owner":"bruno@postle.net","created_at":"2026-04-24T10:41:16Z","created_by":"Bruno Postle","updated_at":"2026-04-24T15:52:14Z","started_at":"2026-04-24T14:47:54Z","closed_at":"2026-04-24T15:52:14Z","close_reason":"Closed","dependency_count":0,"dependent_count":0,"comment_count":0}

1
forgejo/.gitignore vendored Normal file
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@ -0,0 +1 @@
node_modules/

49
forgejo/README.md
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@ -117,6 +117,49 @@ configuration.
---
## Building the viewer JavaScript bundle
The viewer loads Three.js, ThatOpen components, and JSZip from locally-bundled
files rather than CDNs. The bundle files are committed to the repository, so
you only need to re-run the build when upgrading a dependency version.
### Prerequisites
Node.js 18+ and npm (used only at build time; not required on the server).
### Run the build
```bash
cd forgejo/
npm install # installs pinned versions from package-lock.json
npm run build # produces the four files below
```
Output files (committed to the repository):
| File | Source | Purpose |
|---|---|---|
| `custom/public/assets/viewer-deps.js` | three + @thatopen/components + jszip | Main viewer dependencies |
| `custom/public/assets/fragments-worker.js` | @thatopen/fragments worker | IFC parsing web worker |
| `custom/public/assets/web-ifc.wasm` | web-ifc | IFC geometry kernel (single-threaded) |
| `custom/public/assets/web-ifc-mt.wasm` | web-ifc | IFC geometry kernel (multi-threaded) |
The `node_modules/` directory is gitignored and is never deployed.
### Upgrading a dependency
Edit the version number in `package.json`, then:
```bash
cd forgejo/
npm install # updates package-lock.json
npm run build # regenerates the bundle from the new version
git add package.json package-lock.json custom/public/assets/
git commit -m "viewer: upgrade <package> to vX.Y.Z"
```
---
## Deploying custom assets (no rebuild required)
These files can be updated at any time without recompiling Forgejo.
@ -126,9 +169,13 @@ These files can be updated at any time without recompiling Forgejo.
```bash
sudo cp forgejo/custom/public/assets/viewer.html /etc/forgejo/public/assets/
sudo cp forgejo/custom/public/assets/viewer-url.js /etc/forgejo/public/assets/
sudo cp forgejo/custom/public/assets/viewer-deps.js /etc/forgejo/public/assets/
sudo cp forgejo/custom/public/assets/fragments-worker.js /etc/forgejo/public/assets/
sudo cp forgejo/custom/public/assets/web-ifc.wasm /etc/forgejo/public/assets/
sudo cp forgejo/custom/public/assets/web-ifc-mt.wasm /etc/forgejo/public/assets/
```
Served at `/assets/viewer.html` and `/assets/viewer-url.js`.
Served at `/assets/viewer.html`, `/assets/viewer-deps.js`, etc.
### "View in 3D" footer template

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forgejo/build.js Normal file
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#!/usr/bin/env node
// Bundles viewer JS dependencies and copies web-ifc WASM files into
// custom/public/assets/ so the viewer works without any CDN access.
//
// Run: npm install && npm run build
// Re-run whenever package.json dependency versions change.
import esbuild from "esbuild";
import fs from "fs";
import path from "path";
import { fileURLToPath } from "url";
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const outdir = path.join(__dirname, "custom/public/assets");
// Bundle three + @thatopen/components + jszip into a single ESM file.
// viewer.html imports { THREE, OBC, JSZip } from this bundle.
await esbuild.build({
entryPoints: [path.join(__dirname, "viewer-deps-entry.js")],
bundle: true,
format: "esm",
outfile: path.join(outdir, "viewer-deps.js"),
minify: true,
logLevel: "info",
});
// Bundle the fragments worker as a self-contained ESM (all deps inlined).
// viewer.html fetches this and passes the text as a blob URL to fragments.init().
const workerEntry = path.join(
__dirname,
"node_modules/@thatopen/fragments/dist/Worker/worker.mjs"
);
await esbuild.build({
entryPoints: [workerEntry],
bundle: true,
format: "esm",
outfile: path.join(outdir, "fragments-worker.js"),
minify: true,
logLevel: "info",
});
// Copy web-ifc WASM files (loaded at runtime by web-ifc when parsing IFC).
const wasmSrc = path.join(__dirname, "node_modules/web-ifc");
for (const name of ["web-ifc.wasm", "web-ifc-mt.wasm"]) {
const src = path.join(wasmSrc, name);
const dst = path.join(outdir, name);
if (fs.existsSync(src)) {
fs.copyFileSync(src, dst);
const size = (fs.statSync(dst).size / 1024 / 1024).toFixed(1);
console.log(`copied ${name} (${size} MB)`);
} else {
console.warn(`WARNING: ${name} not found in node_modules/web-ifc`);
}
}

11
forgejo/custom/public/assets/fragments-worker.js Normal file
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4599
forgejo/custom/public/assets/viewer-deps.js Normal file
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22
forgejo/custom/public/assets/viewer.html
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@ -97,18 +97,6 @@
flex: 1; word-break: break-all;
}
</style>
<script type="importmap">
{
"imports": {
"three": "https://esm.sh/three@0.177.0",
"three/addons/": "https://esm.sh/three@0.177.0/examples/jsm/",
"web-ifc": "https://unpkg.com/web-ifc@0.0.75/web-ifc-api.js",
"@thatopen/fragments": "https://esm.sh/@thatopen/fragments@3.3.1?external=three,web-ifc",
"@thatopen/components": "https://esm.sh/@thatopen/components@3.3.1?external=three,web-ifc,@thatopen/fragments",
"jszip": "https://esm.sh/jszip@3.10.1"
}
}
</script>
</head>
<body>
<div id="toolbar">
@ -191,9 +179,7 @@
</div>
<script type="module">
import * as THREE from "three";
import * as OBC from "@thatopen/components";
import JSZip from "jszip";
import { THREE, OBC, JSZip } from "/assets/viewer-deps.js";
import { parseIfcUrl, toRawUrl, buildIfcUrl as _buildIfcUrl } from "./viewer-url.js";
const params = new URLSearchParams(window.location.search);
@ -843,9 +829,7 @@
// Firefox blocks cross-origin module workers; wrap in a blob URL.
const fragments = components.get(OBC.FragmentsManager);
const workerResp = await fetch(
"https://unpkg.com/@thatopen/fragments@3.3.1/dist/Worker/worker.mjs"
);
const workerResp = await fetch("/assets/fragments-worker.js");
fragments.init(URL.createObjectURL(
new Blob([await workerResp.text()], { type: "application/javascript" })
));
@ -853,7 +837,7 @@
const ifcLoader = components.get(OBC.IfcLoader);
await ifcLoader.setup({
autoSetWasm: false,
wasm: { path: "https://unpkg.com/web-ifc@0.0.75/", absolute: true },
wasm: { path: "/assets/", absolute: true },
});
statusEl.textContent = "Fetching IFC file…";

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forgejo/package-lock.json generated Normal file
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@ -0,0 +1,727 @@
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18
forgejo/package.json Normal file
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@ -0,0 +1,18 @@
{
"name": "ifcurl-viewer",
"private": true,
"type": "module",
"scripts": {
"build": "node build.js"
},
"dependencies": {
"@thatopen/components": "3.3.1",
"@thatopen/fragments": "3.3.1",
"jszip": "3.10.1",
"three": "0.177.0",
"web-ifc": "0.0.75"
},
"devDependencies": {
"esbuild": "^0.25.0"
}
}

6
forgejo/viewer-deps-entry.js Normal file
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@ -0,0 +1,6 @@
// Entry point bundled by build.js into viewer-deps.js.
// Re-exports the three viewer dependencies as named namespace exports so
// viewer.html can do: import { THREE, OBC, JSZip } from "/assets/viewer-deps.js"
export * as THREE from "three";
export * as OBC from "@thatopen/components";
export { default as JSZip } from "jszip";